References
- Birula's observations on Buthus minax and its allies Sitz. Ber. Ak. Wiss. 1908 cxvii 141 141 should be consulted
- 1903 . Zoo. Jahrb. (Syst.) , xviii : 560 – 560 .
- In Jägerskiöld's ‘Results of the Swedish Zoological Expedition to Egypt, 1901’ Uppsala 1909 21 A 1 1 pt. 3